Beretta POWER PLUS Installation Instruction page 55

Example configuration of a set of 7 burners in cascading
If installing a set of seven slave generators, there are two blocks: the first made up of four generators, and the second
of three. Therefore, two blocks need to be configured, with address 1 and 2 respectively, and the generators belonging
to the first block must have address 1, 2, 3 and 4, and those belonging to the second block address 1, 2 and 3.
Generator no. 1
Generator no. 2
Generator no. 3
Generator no. 4
Generator no. 1
Generator no. 2
Generator no. 3
SLAVE address BLOCK address
Block no. 1
Block no. 2
55